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 * to you under the Apache License, Version 2.0 (the            *
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 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
 * KIND, either express or implied.  See the License for the    *
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package org.apache.james.transport.matchers;

import static org.assertj.core.api.Assertions.assertThat;

import java.util.Collection;

import org.apache.james.core.MailAddress;
import org.apache.mailet.Attribute;
import org.apache.mailet.PerRecipientHeaders;
import org.apache.mailet.base.test.FakeMail;
import org.apache.mailet.base.test.FakeMatcherConfig;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

class IsMarkedAsSpamTest {
    private IsMarkedAsSpam matcher;

    @BeforeEach
    void setup() {
        matcher = new IsMarkedAsSpam();
    }

    @Test
    void isMarkedAsSpamShouldNotMatchWhenNoHeader() throws Exception {
        FakeMail mail = FakeMail.builder()
            .name("name")
            .sender("sender@james.org")
            .recipient("to@james.org")
            .build();

        Collection<MailAddress> matches = matcher.match(mail);
        assertThat(matches).isEmpty();
    }

    @Test
    void isMarkedAsSpamShouldNotMatchWhenHeaderButEmptyValue() throws Exception {
        FakeMail mail = FakeMail.builder()
            .name("name")
            .sender("sender@james.org")
            .recipient("to@james.org")
            .addHeaderForRecipient(PerRecipientHeaders.Header.builder()
                    .name("org.apache.james.spamassassin.status")
                    .value("other")
                    .build(),
                new MailAddress("to@james.org"))
            .build();

        Collection<MailAddress> matches = matcher.match(mail);
        assertThat(matches).isEmpty();
    }

    @Test
    void isMarkedAsSpamShouldNotMatchWhenHeaderButOtherValue() throws Exception {
        FakeMail mail = FakeMail.builder()
            .name("name")
            .sender("sender@james.org")
            .recipient("to@james.org")
            .addHeaderForRecipient(PerRecipientHeaders.Header.builder()
                    .name("org.apache.james.spamassassin.status")
                    .value("other")
                    .build(),
                new MailAddress("to@james.org"))
            .build();

        Collection<MailAddress> matches = matcher.match(mail);
        assertThat(matches).isEmpty();
    }

    @Test
    void isMarkedAsSpamShouldNotMatchWhenHeaderButNoValue() throws Exception {
        FakeMail mail = FakeMail.builder()
            .name("name")
            .sender("sender@james.org")
            .recipient("to@james.org")
            .addHeaderForRecipient(PerRecipientHeaders.Header.builder()
                    .name("org.apache.james.spamassassin.status")
                    .value("No, hits=1.8 required=5.0")
                    .build(),
                new MailAddress("to@james.org"))
            .build();

        Collection<MailAddress> matches = matcher.match(mail);
        assertThat(matches).isEmpty();
    }

    @Test
    void isMarkedAsSpamShouldMatchWhenHeaderAndYesValue() throws Exception {
        FakeMail mail = FakeMail.builder()
            .name("name")
            .sender("sender@james.org")
            .recipient("to@james.org")
            .addHeaderForRecipient(PerRecipientHeaders.Header.builder()
                    .name("org.apache.james.spamassassin.status")
                    .value("Yes, hits=6.8 required=5.0")
                    .build(),
                new MailAddress("to@james.org"))
            .attribute(Attribute.convertToAttribute("org.apache.james.spamassassin.status", "Yes, hits=6.8 required=5.0"))
            .build();

        Collection<MailAddress> matches = matcher.match(mail);
        assertThat(matches).contains(new MailAddress("to@james.org"));
    }

    @Test
    void isMarkedAsSpamShouldMatchOnlyRecipientsWithHeaderAndYesValue() throws Exception {
        FakeMail mail = FakeMail.builder()
            .name("name")
            .sender("sender@james.org")
            .recipients("to1@james.org", "to2@james.org")
            .addHeaderForRecipient(PerRecipientHeaders.Header.builder()
                    .name("org.apache.james.spamassassin.status")
                    .value("Yes, hits=6.8 required=5.0")
                    .build(),
                new MailAddress("to1@james.org"))
            .build();

        Collection<MailAddress> matches = matcher.match(mail);
        assertThat(matches).contains(new MailAddress("to1@james.org"));
    }

    @Test
    void isMarkedAsSpamShouldMatchWhenHeaderAndYesValueInOtherCase() throws Exception {
        FakeMail mail = FakeMail.builder()
            .name("name")
            .sender("sender@james.org")
            .recipient("to@james.org")
            .addHeaderForRecipient(PerRecipientHeaders.Header.builder()
                    .name("org.apache.james.spamassassin.status")
                    .value("YES, hits=6.8 required=5.0")
                    .build(),
                new MailAddress("to@james.org"))
            .build();

        Collection<MailAddress> matches = matcher.match(mail);
        assertThat(matches).contains(new MailAddress("to@james.org"));
    }

    @Test
    void isMarkedAsSpamShouldAcceptDynamicSpamStatusPackageHeader() throws Exception {
        FakeMatcherConfig matcherConfig = FakeMatcherConfig.builder()
            .matcherName("IsMarkedAsSpam")
            .condition("custom.package")
            .build();

        matcher.init(matcherConfig);

        FakeMail mail = FakeMail.builder()
            .name("name")
            .sender("sender@james.org")
            .recipient("to@james.org")
            .addHeaderForRecipient(PerRecipientHeaders.Header.builder()
                    .name("custom.package")
                    .value("Yes, actions=reject score=14.225 requiredScore=14.0 desiredRewriteSubject=")
                    .build(),
                new MailAddress("to@james.org"))
            .attribute(Attribute.convertToAttribute("custom.package", "Yes, actions=reject score=14.225 requiredScore=14.0 desiredRewriteSubject="))
            .build();

        Collection<MailAddress> matches = matcher.match(mail);
        assertThat(matches).contains(new MailAddress("to@james.org"));
    }
}